Home / 18,328.86-27,476.01-6,639.30

Finding the Fourth Proportional to 18,328.86, 27,476.01 and 6,639.30

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Solution

The fourth proportional to 18,328.86, 27,476.01 and 6,639.30 is: 9,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.86 : 27,476.01 = 6,639.30 : x
  2. Step 2: Convert to fraction form
    18,328.86/27,476.01 = 6,639.30/x
  3. Step 3: Cross multiply
    18,328.86x = 27,476.01 × 6,639.30
  4. Step 4: Simplify right side
    18,328.86x = 182,421,473.19
  5. Step 5: Solve for x
    x = 182,421,473.19/18,328.86
  6. Step 6: Final answer
    x = 9,952.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.